Skip to content

Rosh Hashanah · Passover · Hanukkah

Holiday Brisket Calculator

Braised-in-the-oven brisket math, not barbecue math. A first-cut flat loses only about a third of its weight in the pot, so the smoked-brisket rule of "a pound per person" would leave you overbuying by half. Set your table below — the calculator is already switched to braised.

Brisket portion calculator

Buy this much

6.5lbsof raw, untrimmed brisket

Cooked yield
About 4 lbs
Suggested cut
One first-cut flat

Ask the butcher for a first-cut (flat) brisket around 6.5 lb. Minimal trimming, braises evenly, slices clean against the grain.

How are you cooking it?
How are you serving it?
How many sides?

Raw weight assumes a trimmed first-cut flat losing about a third of its weight in a covered braise. Everything updates as you type — there's nothing to submit.

Why holiday brisket has different math

The brisket on a Rosh Hashanah or Passover table and the brisket at a Texas barbecue are the same cut of beef living two different lives. The holiday version is a first-cut (flat) brisket, braised covered in the oven for three to four hours with onions, stock, and whatever your family's recipe insists on. Almost nothing is trimmed away before cooking, and the covered pot keeps the moisture in — so a braised flat keeps roughly two-thirds of its raw weight, where a smoked packer keeps barely half.

That changes the shopping rule completely. For a dozen adults with a full holiday spread, you need about 7.5 pounds of raw first-cut brisket — one good flat from the butcher — not the twelve-plus pounds the barbecue rule would send you home with. Holiday tables also do more of the work: between the kugel, the tzimmes, the roasted vegetables, and the challah (or matzo), the brisket is the centerpiece, not the whole meal.

Buying it: ask for the first cut

At a kosher butcher, ask for a first-cut brisket; at a supermarket counter, "flat cut" is the same thing. It should look like an even rectangle with a thin fat layer on one side — leave that layer on for the braise. For more than ten or twelve guests, two smaller flats braise more evenly than one giant one crowded into a pan, and the calculator above will tell you when to split. Second-cut (the point) is fattier, shreddier, and beloved in some families — nothing wrong with it, but expect softer slices and budget slightly more weight.

Make it yesterday

Braised brisket is the rare centerpiece that genuinely improves overnight. Braise it the day before, cool it, and refrigerate it in its braising liquid. The next day, slice it cold against the grain — cold brisket slices clean where warm brisket crumbles — lay the slices back in the gravy, and reheat covered at 300°F for about 30 minutes. Your holiday afternoon stays free, and the brisket tastes like it had a day to think about what it wants to be.

Smoking one instead? The portion calculator handles packer math, and the cook time calculatorplans the overnight smoke.

Common questions

How much brisket per person for Rosh Hashanah or Passover?

Plan on about 1/2 pound of cooked braised brisket per adult, less with a loaded holiday table — and holiday tables are always loaded, so figure closer to 0.4 pounds served. Because a braised first-cut flat only loses about a third of its weight in the pot, that works out to roughly 2/3 pound of raw brisket per adult — noticeably less than the 1 pound per person rule for smoked brisket.

What cut of brisket is best for holiday braised brisket?

A first-cut (flat) brisket. It's lean, slices into even pieces that hold together in gravy, and needs almost no trimming. Ask your butcher for a first-cut around 5 to 6 pounds for a dozen guests. Second-cut (point) is fattier and richer — some families swear by it, but it slices less neatly.

Why does braised brisket need less raw weight than smoked?

Two reasons: you barely trim a first-cut flat (versus 15–20% trimmed off a packer), and a covered 3–4 hour braise in liquid loses far less moisture than 12+ hours in a smoker. Braised brisket keeps roughly two-thirds of its raw weight; smoked keeps about half.

Should I make holiday brisket the day before?

Yes — it's genuinely better that way, and every Jewish grandmother is right about this. Braise it, cool it, refrigerate it overnight in its liquid, then slice it cold (much cleaner slices), and reheat the slices in the gravy. The flavor deepens and the day-of stress disappears.